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Sloan [31]
3 years ago
15

The function x-1 over x+5 is never equal to zero True or false?

Mathematics
1 answer:
Rom4ik [11]3 years ago
3 0
The answer is false not true
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Verify that [tan(theta) + cot(theta)]^2 = sec^2(theta) + csc^2(theta)
Wittaler [7]

(tanθ + cotθ)² = sec²θ + csc²θ

<u>Expand left side</u>: tan²θ + 2tanθcotθ + cot²θ

<u>Evaluate middle term</u>: 2tanθcotθ = 2*\frac{sin\theta}{cos\theta}*\frac{cos\theta}{sin\theta} = 2

⇒ tan²θ + 2+ cot²θ

= tan²θ + 1 + 1 + cot²θ

<u>Apply trig identity:</u>  tan²θ + 1 = sec²θ

⇒ sec²θ + 1 + cot²θ

<u>Apply trig identity:</u>  1 + cot²θ = csc²θ

⇒ sec²θ + csc²θ

Left side equals Right side so equation is verified


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3 years ago
What is the circumference of a circle with a radius of 8.4 inches
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Answer: 52.77876 in

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the volume is 196

Step-by-step explanation:

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6x10=60

136+60=196

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Find the area of the shaded region. Round your answer to the nearest hundredth.
vampirchik [111]

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2 years ago
On a snorkeling trip, Dave dove at least 7 times as deep as Amy did. If Dave dove below 35 feet below the oceans surface, what w
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The deepest that Amy dove below the ocean's surface is 5 feet.

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Let the deepest that Amy dove below the ocean's surface be x.

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